Files
deemixer/server/src/routes/api/get/albumSearch.ts
2022-02-05 01:15:26 +01:00

93 lines
2.0 KiB
TypeScript

import type { RequestHandler } from 'express'
// @ts-expect-error
import { Deezer } from 'deezer-js'
import type { ApiHandler } from '../../../types'
import { sessionDZ } from '../../../app'
export interface RawAlbumQuery {
term: string
start?: string
nb?: string
}
export interface AlbumSearchParams extends Omit<RawAlbumQuery, 'start' | 'nb'> {
start: number
nb: number
}
export interface AlbumResponse {
data: any[]
total: number
}
const path: ApiHandler['path'] = '/album-search/'
const handler: RequestHandler<{}, {}, {}, RawAlbumQuery> = async (req, res) => {
if (!sessionDZ[req.session.id]) sessionDZ[req.session.id] = new Deezer()
const dz = sessionDZ[req.session.id]
if (!req.query) {
return res.status(400).send()
}
const { term, start, nb } = parseQuery(req.query)
if (!term || term.trim() === '') {
return res.status(400).send()
}
const results = await dz.gw.search_music(term, 'ALBUM', { index: start, limit: nb })
const albums = await Promise.all(results.data.map((c: any) => getAlbumDetails(dz, c.ALB_ID)))
const output: AlbumResponse = {
data: albums,
total: albums.length
}
return res.send(output)
}
const apiHandler = { path, handler }
function parseQuery(query: RawAlbumQuery): AlbumSearchParams {
let startingPoint = 0
if (typeof query.start !== 'undefined') {
startingPoint = parseInt(query.start)
}
let newNb = 30
if (typeof query.nb !== 'undefined') {
newNb = parseInt(query.nb)
}
return {
term: query.term,
start: startingPoint,
nb: newNb
}
}
async function getAlbumDetails(dz: any, albumId: string): Promise<any> {
const result = await dz.gw.get_album_page(albumId)
const output = result.DATA
let duration = 0
result.SONGS.data.forEach((s: any) => {
if ('DURATION' in s) {
duration += parseInt(s.DURATION)
}
})
output.DURATION = duration
output.NUMBER_TRACK = result.SONGS.total
output.LINK = `https://deezer.com/album/${output.ALB_ID}`
return output
}
export { apiHandler, getAlbumDetails }